#include <windows.h>
#include <stdio.h>
#include <stdlib.h>

int main()
{
    SetConsoleOutputCP(65001);
    int dividend = 20;
    int divisor = 0;
    int quotient;

    if( divisor == 0)
    {
        fprintf( stderr, "除数为0退出运行...\n");
        exit(-1);
    }
    quotient = dividend / divisor;
    fprintf(stderr, "quotient 变量的值为 : %d\n", quotient);

    exit(0);
}